150256129 has 2 divisors, whose sum is σ = 150256130. Its totient is φ = 150256128.

The previous prime is 150256121. The next prime is 150256181. The reversal of 150256129 is 921652051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110817729 + 39438400 = 10527^2 + 6280^2 .

It is an emirp because it is prime and its reverse (921652051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150256129 - 2³ = 150256121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150256129.

It is not a weakly prime, because it can be changed into another prime (150256121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75128064 + 75128065.

It is an arithmetic number, because the mean of its divisors is an integer number (75128065).

Almost surely, 2^150256129 is an apocalyptic number.

It is an amenable number.

150256129 is a deficient number, since it is larger than the sum of its proper divisors (1).

150256129 is an equidigital number, since it uses as much as digits as its factorization.

150256129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 150256129 is about 12257.9006767064. The cubic root of 150256129 is about 531.6315322653.

The spelling of 150256129 in words is "one hundred fifty million, two hundred fifty-six thousand, one hundred twenty-nine".